This webpage provides information on stream identification, delineation and mitigation in the United States. On this page, you will find an overview of stream-related issues, pertinent regulatory documents, examples of state stream mitigation programs and mitigation banks, links to guidance documents (including procedures and protocols) and other useful information, such as links to tools and techniques, valuation information, and a glossary of stream mitigation terms.
In 2014, ASWM completed a national study on stream identification, delineation and mitigation in the United States. The project interviewed state staff from 47 states. To read the executive summary from the report: (Link to be added). To download the full report, entitled, Report on State Definitions, Jurisdiction and Mitigation Requirements in State Programs for Ephemeral, Intermittent and Perennial Streams in the United States, click here.